Dell 5110cn Color Laser Printer Service Manual - Page 129

Chapter 1 Troubleshooting If print image quality trouble occurs, print on paper of A3 or A4 size in order to judge and understand the trouble precisely and take proper remedy steps. Utilize the image quality troubleshooting correction table depending on the trouble for efficient troubleshooting. If the trouble cannot be corrected according to the image quality troubleshooting, check the trouble after replacing the "Major check parts" specified for the "Initial check" in the image quality troubleshooting in succession making use of the Specifications in Chapter 6. Image quality troubleshooting describes the representative image quality troubles as follows: - P1 "Light (Undertoned) Prints" - P2 "Blank Prints" - P3 "Solid Prints" - P4 "Vertical deletion or blank line" - P5 "Horizontal deletion or blank line" - P6 "Black (color) spots" - P7 "Background or Foggy Print" - P8 "Skewed paper" - P9 "Paper Damage" - P10 "Unfused Image or Image Easily Rubs off of Page" - P11 "Vertical Dark Line" - P12 "Afterimage (Ghost)" - P13 "Partial Deletion" - P14 "Horizontal Line (Periodical)" - P15 "Fade Horizontal/Vertical" - P16 "Color Registration (Color Shift)" Reference Rolls related with image quality troubles and interval appearing on prints are shown in the table below. Defect Parts Magnet Roll Drum RTC IDT 1 IDT 2 IDT 1 Cleaner IDT 2 Cleaner Refresher BTR Heat Roll Belt Replacement Parts DEVE ASSY PHD ASSY PHD ASSY PHD ASSY PHD ASSY PHD ASSY PHD ASSY PHD ASSY BTR ASSY FUSER ASSY FUSER ASSY PL Number 7.1.17 to 7.1.20 6.1.1 6.1.1 6.1.1 6.1.1 6.1.1 6.1.1 6.1.1 5.1.4 5.1.1 5.1.1 Step 34 mm 75 mm 32 mm 132 mm 132 mm 31 mm 56 mm 66 mm 65 mm 98 mm 95 mm 1 - 112